Custom API Development & Integration Services

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Providing you swift, secure and cost-optimized API development services

Value you can derive from our custom API development & integration services

Our holistic API development services & solutions:

API consulting
API consulting

Our API consulting services are designed to provide strategic insights and expert guidance on how to best leverage APIs to streamline your business operations. Whether you’re looking to integrate various systems, enable real-time data sharing, or create a more unified user experience, our team can provide the required insights and guidance.

Custom AI API solutions
Custom AI API solutions

Our team harnesses the power of predictive analytics, chatbot technology, computer vision and deep learning APIs to craft tailor-made API solutions that promote effortless data exchange across various platforms and systems. Our custom AI APIs not only streamline operational efficiency but also significantly enhance user experience, facilitate faster decision-making and foster innovation.

API implementation services
API implementation services

From conceptualizing to executing, we handle all aspects of API design and implementation process, creating robust APIs that easily integrate with your existing IT infrastructure. We align with changing business needs and technological advancements, ensuring your systems stay relevant and effective.

API integration services
API integration services

Seamlessly connect disparate software systems with our API integration services. This enhances data flow, ensuring that all your systems can access and utilizes the same data at the same time, thereby reducing redundancy and eliminating the need for manual data-entry across multiple platforms.

API as a Service (APIaaS)
API as a Service (APIaaS)

We help you build an API-centric business model, using common web protocols like HTTP/HTTPS, JAVA, XML, AJAX, JSON, REST, SOAP, gRPC, cloud natural language APIs & more. Benefit from our comprehensive API solutions hosted on the cloud, allowing for easy access, scalability and reduced maintenance efforts.

API automation testing
API automation testing

To ensure the highest quality, reliability and performance, we employ automated API testing such as load testing, functional testing, unit testing & more. This rigorous testing reduces errors, aids in the robustness of your APIs and contributes to the overall quality of your IT infrastructure.

Cloud-based APIs
Cloud-based APIs

We specialize in developing and managing APIs that are specifically designed for cloud platforms. These APIs offer enhanced scalability and flexibility & facilitate improved data sharing between systems, boosting overall efficiency.

Mobile API development
Mobile API development

Our experts are adept at handling the unique challenges posed by the mobile ecosystem, such as intermittent connectivity, limited bandwidth & diverse device capabilities. We ensure that the mobile applications we develop, deliver consistent performance regardless of the device or network conditions through our mobile API development services.

Web API development
Web API development

We develop APIs that enable secure and efficient communication between web applications. Our web APIs significantly improve the user experience on your web platforms. Users can enjoy a smoother, more integrated experience, with faster load times and more efficient processes.

API support & maintenance
API support & maintenance

Leverage our custom API development & integration services for ongoing support and maintenance & ensure your APIs continue to function optimally round the clock. Our dedicated developers help to monitor API performance, identify & fix issues promptly & make necessary updates to improve functionality & address changing business needs.

Microservices consulting services
Microservices consulting services

We provide expert consultation on leveraging the microservices architecture, helping you create more scalable and efficient application development and deployment strategies. Our consultants can guide you in breaking down complex applications into manageable services, enhancing overall productivity and agility.

Ready to enhance your business operations with tailor-made API solutions?

Selected success stories of our custom API development & integration services

Types of APIs we develop:

Types of APIs we develop

◉ Public APIs:
Our team possesses a high degree of proficiency in architecting public APIs, providing businesses with the ability to distribute their data, services, or core functionalities to external stakeholders, including developers, partners, or third-party applications.

◉ Partner APIs:
We specialize in the development of partner APIs. These APIs offer secure, regulated access to specific data sets or functionalities, thus equipping businesses with the means to optimize operational processes and deliver comprehensive solutions to their clients.

◉ Internal APIs:
Internal APIs function as a channel for interaction, data exchange, and harmonious collaboration among various systems and applications within an enterprise. They play a pivotal role in streamlining operations and fostering a collaborative ethos across an organization. Connect with our experts for developing internal APIs for your organization.

◉ Composite APIs:
We have expertise in developing composite APIs. These integrate multiple APIs or services into a singular, cohesive interface. This methodology enables businesses to incorporate and leverage multiple services with minimal effort, thereby amplifying operational efficiency and reducing the overall development time.

API Protocols we work with:

Some of the API protocols we work with are:

We use REST APIs for creating a web-based interface for a database system.

We work with SOAP, a protocol used for exchanging structured information in web services. SOAP APIs are highly extensible and secure, suitable for scenarios that require high levels of security, such as financial services or healthcare systems.

◉ XML:
The XML APIs we use are versatile and human-readable, making them suitable for scenarios where data needs to be easily understood, such as content feeds.

◉ gRPC:
Another API protocol we work with is gRPC. gRPC APIs are ideal for scenarios requiring low latency and high efficiency.

Discover how our API solutions can drive efficiency, improve interoperability & boost your bottom line!

API integrations we can help you with:

Payments gateway APIs

We integrate leading payments APIs like PayPal & PayU with your existing platform, that supports multiple currencies, various payment methods and secure transactions. This will streamline your payment processes, offer a seamless user experience and help to enhance your online business operations.

Shipping carrier APIs

Daffodil Software offers smooth integrations with top-tier shipping carrier APIs such as FedEx, USPS, UPS, among others; for businesses in need of tailored API integration services.

Cloud communication APIs

We are adept at integrating leading cloud communications platforms like Twilio. This enables your users to programmatically make and receive phone calls, send and receive SMSs and perform other communication functions using our web service APIs.

Social network APIs

We also offer integration services with social network APIs such as with X (former: Twitter). This allows your users to access and interact with the platform’s functionalities, like posting tweets, following users, or gathering data.

IoT integration

Our expertise lies in creating API solutions powered by IoT integration, featuring real-time data exchange, device management, and advanced analytics. This enables your connected devices to communicate effectively, providing actionable insights that boost efficiency and decision-making.

ERP & CRM Integration

We can develop robust APIs that enable seamless integration between your ERP and CRM systems. These APIs come with features like data synchronization, automated updates, and multi-platform compatibility, leading to improved business processes and customer relationship management.

Unlock seamless connectivity with robust & secure API integration & development

Leverage seamless interoperability with our custom API development and integration services. Our developers come with a plethora of expertise in developing bespoke, agile-focused and high-performance API solutions. We build robust and secure connections between your disparate business applications, systems & data sources.

Our services extend beyond mere development; we excel in integrating custom APIs into your existing infrastructure, enabling smooth and efficient data exchange, increased agility and responsiveness; propelling you towards your strategic objectives.

Whether it’s integrating CRM systems, third-party APIs, payment gateway or communication APIs, we offer seamless connectivity and minimal coding, offering affordable and quick solutions for all your business needs.

About our API integration & development services

API development for various industries:

Why choose Daffodil Software for your next API development project?

Why Daffodil Software

Recognized excellence, proven customer satisfaction

Categorized as an aspirant in global PEAK Matrix assessment

Recommended vendor for custom software development services

Mentioned as a company to watch in the AI space

Categorized as a leader in digital engineering services


years of software engineering excellence


global clientele


Avg CSAT score


customer retention rate

Innovation redefined

We create technology forward, innovative API solutions to keep you ahead in the game, always.

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Frequently asked questions (FAQs)

What are custom APIs? Why do I need them?

Custom APIs are tailor-made application programming interfaces designed to meet specific needs of a business. They facilitate seamless communication between different software systems, enabling data exchange and interaction.

Custom APIs are essential as they can be designed to fit your unique business requirements, enhancing the efficiency of your operations and providing a competitive edge.

APIs come in various types including REST (Representational State Transfer), SOAP (Simple Object Access Protocol), and GraphQL.

◉ REST APIs use HTTP methods and are popular for their simplicity.
◉ SOAP is a protocol used for exchanging structured information in web services.
◉ GraphQL is a query language for APIs that allows clients to request specific data.

An API (Application Programming Interface) is a set of rules and protocols for building and interacting with software applications.

A REST API is a type of API that follows the principles of Representational State Transfer. It uses HTTP methods for data exchange, making it a popular choice for web services due to its ease of usage and efficiency.

Yes, we specialize in developing custom APIs that are tailored to meet your specific business needs. We work closely with you to understand your requirements and build an API that enhances the functionality and efficiency of your software applications.

The timeline for API development can vary depending on the complexity of the API, the number of features it needs to have, and your specific requirements. However, we strive to deliver high-quality, custom APIs in a timely manner, keeping you informed throughout the process.

Connect with our developers for a customized engagement model and total timeline of your project.